Last updated: Fri, 13 Nov 2009

Imagick::orderedPosterizeImage

(PECL imagick 2.2.2)

Imagick::orderedPosterizeImage — Performs an ordered dither

Descrição

bool Imagick::orderedPosterizeImage ( string $threshold_map [, int $channel = Imagick::CHANNEL_ALL ] )

Performs an ordered dither based on a number of pre-defined dithering threshold maps, but over multiple intensity levels, which can be different for different channels, according to the input arguments. Este método esta disponível apenas se Imagick foi compilado com ImageMagick versão 6.3.1 ou mais nova.

Parâmetros

threshold_map: A string containing the name of the threshold dither map to use
channel: Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Valor Retornado

Retorna TRUE em sucesso.

Erros

Dispara ImagickException em erro.

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Last updated: Fri, 13 Nov 2009